The NRC is modernizing nrc.gov with an updated design and improved navigation to enhance usability. We are committed to a smooth transition and will work to minimize any disruption. The site may be briefly unavailable at times during launch. Thank you for your patience.
Study on the Effect of Dissolved Air During Hydroaccumulator Injection (NUREG/IA-0553)
On this page:
Download complete document
Publication Information
Manuscript Completed: February 2024
Date Published: January 2025
Prepared by:
Áron HEGEDÜS, Attila GUBA
HUN-REN Centre for Energy Research, Nuclear Safety Department
Konkoly-Thege Miklós út 29-33.
Budapest 1121, HUNGARY
K. Tien, NRC Project Manager
Division of Systems Analysis
Office of Nuclear Regulatory Research
U.S. Nuclear Regulatory Commission
Washington, DC 20555-0001
Prepared as part of
The Agreement on Research Participation and Technical Exchange
Under the Thermal-Hydraulic Code Applications and Maintenance Program (CAMP)
Published by:
U.S. Nuclear Regulatory Commission
Washington, DC 20555-0001
Abstract
Hydroaccumulator injection plays a very important role during accident management. In the PMK facility several experiments were conducted utilizing various ECCS configurations and these tests were later calculated using thermal-hydraulic system codes. During these post-test calculations a difference between the measured and calculated hydroaccumulator injection characteristic was noticed. In the present work we investigated the role of the gas dissolved into the coolant after pressurizing the hydroaccumulator vessel.
Page Last Reviewed/Updated Wednesday, January 22, 2025
Page Last Reviewed/Updated Wednesday, January 22, 2025